US WARN layoff notices › Employers › Illumina
Official state WARN filings by Illumina since 2024, normalized from state labor department sources. Latest notice: 2025-12-23.
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| 2025-12-23 | California | San Diego County | 1 | 2025-12-22 | Layoff Permanent |
| 2025-12-12 | California | San Diego County | 7 | 2025-12-08 | Layoff Permanent |
| 2025-12-04 | California | San Diego County | 3 | 2026-02-17 | Layoff Permanent |
| 2025-11-21 | California | San Diego County | 7 | 2026-01-19 | Layoff Permanent |
| 2025-11-07 | California | San Diego County | 28 | 2026-01-05 | Layoff Permanent |
| 2025-02-13 | California | San Diego County | 96 | 2025-04-14 | Layoff Permanent |
| 2024-09-05 | California | San Diego County | 3 | 2024-11-06 | Layoff Permanent |
| 2024-08-01 | California | San Diego County | 49 | 2024-10-01 | Layoff Permanent |
| 2024-01-29 | California | San Diego County | 111 | 2024-03-12 | Layoff Permanent |
Source: state WARN Act disclosures, normalized in the free US WARN notices dataset (CSV/JSON, no login, 48h-delayed, notices 2024+). WARN notices are advance notifications of plant closings and mass layoffs; actual layoff counts and dates can change after filing.